111220220220202 has 16 divisors (see below), whose sum is σ = 177075771320520. Its totient is φ = 52210959118848.

The previous prime is 111220220220181. The next prime is 111220220220203. The reversal of 111220220220202 is 202022022022111.

It can be written as a sum of positive squares in 4 ways, for example, as 101024390085921 + 10195830134281 = 10051089^2 + 3193091^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111220220220202.

It is not an unprimeable number, because it can be changed into a prime (111220220220203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3998987253 + ... + 3999015064.

Almost surely, 2^{111220220220202} is an apocalyptic number.

111220220220202 is a deficient number, since it is larger than the sum of its proper divisors (65855551100318).

111220220220202 is a wasteful number, since it uses less digits than its factorization.

111220220220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998002745.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 111220220220202 its reverse (202022022022111), we get a palindrome (313242242242313).

The spelling of 111220220220202 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred two".